document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1130860>Question 1130860</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Math 9 theorem 3: the diagonals of a rhombus is perpendicular<BR>\n" );
document.write( "Proof!!<BR>\n" );
document.write( "Plss help me to answer the proof </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #747478 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=747478\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <a  rel=nofollow HREF=\"http://tinypic.com?ref=ih49si\" target=\"_blank\"><IMG STYLE=\"max-width:80%;\" src=\"http://i65.tinypic.com/ih49si.png\" border=\"0\" alt=\"Image and video hosting by TinyPic\"></a>\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "proof: the diagonals are perpendicular to each other\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " assuming we have a rhombus <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ABCD ALIGN=MIDDLE  ALT=\"ABCD\"   DISABLED_style= \"max-width:90%; height:auto;\" > with diagonals <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AC ALIGN=MIDDLE  ALT=\"AC\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BD ALIGN=MIDDLE  ALT=\"BD\"   DISABLED_style= \"max-width:90%; height:auto;\" > intersecting at point <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=E ALIGN=MIDDLE  ALT=\"E\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AE ALIGN=MIDDLE  ALT=\"AE\"   DISABLED_style= \"max-width:90%; height:auto;\" > &#8773; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CE ALIGN=MIDDLE  ALT=\"CE\"   DISABLED_style= \"max-width:90%; height:auto;\" >..................as two halves of a diagonal <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AC ALIGN=MIDDLE  ALT=\"AC\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BE ALIGN=MIDDLE  ALT=\"BE\"   DISABLED_style= \"max-width:90%; height:auto;\" > &#8773; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BE ALIGN=MIDDLE  ALT=\"BE\"   DISABLED_style= \"max-width:90%; height:auto;\" >................. by reflexive property of congruence, a segment is congruent to itself \r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AB ALIGN=MIDDLE  ALT=\"AB\"   DISABLED_style= \"max-width:90%; height:auto;\" > &#8773; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CB ALIGN=MIDDLE  ALT=\"CB\"   DISABLED_style= \"max-width:90%; height:auto;\" >.....................as sides of a rhombus\r<BR>\n" );
document.write( "\n" );
document.write( "&Delta; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+AEB+ ALIGN=MIDDLE  ALT=\"+AEB+\"   DISABLED_style= \"max-width:90%; height:auto;\" > &#8773; &Delta; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CEB ALIGN=MIDDLE  ALT=\"CEB\"   DISABLED_style= \"max-width:90%; height:auto;\" >..........by SSS congruence<BR>\n" );
document.write( "< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AEB ALIGN=MIDDLE  ALT=\"AEB\"   DISABLED_style= \"max-width:90%; height:auto;\" > &#8773; < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CEB ALIGN=MIDDLE  ALT=\"CEB\"   DISABLED_style= \"max-width:90%; height:auto;\" >....................... corresponding angles<BR>\n" );
document.write( "< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AEB ALIGN=MIDDLE  ALT=\"AEB\"   DISABLED_style= \"max-width:90%; height:auto;\" > + < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CEB ALIGN=MIDDLE  ALT=\"CEB\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=180 ALIGN=MIDDLE  ALT=\"180\"   DISABLED_style= \"max-width:90%; height:auto;\" >°.........since they are supplementary angles<BR>\n" );
document.write( "< <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AEB ALIGN=MIDDLE  ALT=\"AEB\"   DISABLED_style= \"max-width:90%; height:auto;\" > = < <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=CEB ALIGN=MIDDLE  ALT=\"CEB\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=90 ALIGN=MIDDLE  ALT=\"90\"   DISABLED_style= \"max-width:90%; height:auto;\" >°..........addition property of congruent angles\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AC ALIGN=MIDDLE  ALT=\"AC\"   DISABLED_style= \"max-width:90%; height:auto;\" > &perp; <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=BD ALIGN=MIDDLE  ALT=\"BD\"   DISABLED_style= \"max-width:90%; height:auto;\" >..........the diagonals of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ABCD ALIGN=MIDDLE  ALT=\"ABCD\"   DISABLED_style= \"max-width:90%; height:auto;\" > are perpendicular to each other\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );